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Bumps under armpit

I woke up two days ago with both armpits really hurting when I stretched out the skin, like I had done some weight-lifting. However, I haven't lifted in 1 week, but they are very apparent to the touch as lumps underneath the skin. Some of them are red, and vary in size. Could it be my anti-perspirant that has blocked pores?
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563773 tn?1374246539
These kind of bumps can be swollen lymph node ,a sebaceous cyst or a boil. Lymphadenopathy (swollen lymph nodes) is usually caused by a viral or bacterial infection along with other numerous causes. Sebaceous cyst is a closed sac or cyst that fills with a fatty white, semi-solid material called sebum produced by sebaceous glands of the epidermis. It is usually painless but can become painful if infected. Boils are caused by infection of the hair follicle be staph aureus. Treatment includes antibiotics.

To confirm the diagnosis please get an evaluation and maybe a FNAC skin done by a dermatologist.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.

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Avatar universal
After about 6 days, they stopped hurting, and after 10, most of them disappeared leaving one on each side. As of now, these ones still exist, but they do no bother me and I assume they too are going to disappear.
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